Introduction to Java Programming - Building Java Programs: A Back to Basics Approach - page 50

Section 1.4: Procedural Decomposition
19. What is the output of the following program? (You may wish to draw a structure diagram first.)
1 public class Tricky {
2 public static void main(String[] args) {
3 message1();
4 message2();
5 System.out.println("Done with main.");
6 }
7
8 public static void message1() {
9 System.out.println("This is message1.");
10 }
11
12 public static void message2() {
13 System.out.println("This is message2.");
14 message1();
15 System.out.println("Done with message2.");
16 }
17 }
20. What is the output of the following program? (You may wish to draw a structure diagram first.)
1 public class Strange {
2 public static void first() {
3 System.out.println("Inside first method");
4 }
5
6 public static void second() {
7 System.out.println("Inside second method");
8 first();
9 }
10
11 public static void third() {
12 System.out.println("Inside third method");
13 first();
14 second();
15 }
16
17 public static void main(String[] args) {
18 first();
19 third();
20 second();
21 third();
22 }
23 }